<HTML>
<HEAD>
<TITLE>JavaScript Source Code 3000:  Calculators:  Kinetic Energy</TITLE>
<META HTTP-EQUIV="JavaScript Source Code 3000" CONTENT = "no-cache">
<META NAME="description" CONTENT="Solve any of three variables in a Kinetic Energy equation using this script.  Simply enter two of the three values and submit to find the value of the third variable.  Neat!">
<META NAME="date" CONTENT="2000-11-20">
<META NAME="channel" CONTENT="Web Developer">
<META NAME="author" CONTENT="David K">
<META NAME="section" CONTENT="Calculators">
<SCRIPT LANGUAGE="JavaScript">
<!-- Original:  David K (davidwkjr@hotmail.com) -->




<!-- Begin
function a_times_b(form) {
a = eval(form.a.value);
b = eval(form.b.value);
c = 1 / 2 * a * b * b;
form.c.value = c;
}
function c_div_b(form) {
c = eval(form.c.value);
b = eval(form.b.value);
a = c / (b * b);
form.a.value = a * 2;
}
function c_div_a(form) {
c = eval(form.c.value);
a = eval(form.a.value);
b = c / (1 / 2 * a);
form.b.value = Math.sqrt(c / (1 / 2 * a));
}
//  End -->
</script>
</HEAD>

<BODY BGCOLOR=#ffffff vlink=#0000ff>

<BR>
<center>
<table width=600 cellpadding=0 cellspacing=10>
<tr>
<td width=468 align=center>

    
    
</td>
<td width=120 align=center>
    
</td>
</tr>
</table>
<BR>
<BR>
<basefont size=3>
<FONT SIZE="+2" FACE="Helvetica,Arial">
<A HREF="../index.htm" /" TARGET="_top"><FONT COLOR="#0000FF"><b>Home</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<A HREF="index.htm" /calculators/"><font color="#FF0000"><b>Calculators</b></font></A>
<img src="../img/arrow.gif" /img/arrow.gif" height=13 width=7 border=0 alt="}">
<FONT COLOR="#006666"><b>Kinetic Energy</b></font></font>
<BR>
<BR>
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td><font FACE="helvetica,arial,geneva">
<br>
<br>
<!-- Description --><!--content_start-->
Solve any of three variables in a Kinetic Energy equation using this script.  Simply enter two of the three values and submit to find the value of the third variable.  Neat!
<hr>
</td></tr>
</table>
<!-- Demonstration -->
<center>
<table width=300 border=0>
<form name="fromcal">
<tr>
<td><center>MASS (kg)</td>
<td><center>VELOCITY (m/s)</td>
<td><center>KINETIC ENERGY (joules)</td>
</tr>
<tr>
<td><input type=number name="a" value=" " size=10></td>
<td><input type=number name=b value=" " size=10></td>
<td><input type=number name="c" value=" " size=10></td>
</tr>
<tr>
<td><input type=button value="Find Mass" onClick="c_div_b(this.form)"></td>
<td><input type=button value="Find Velocity" onClick="c_div_a(this.form)"></td>
<td><input type=button value="Find KE" onClick="a_times_b(this.form)"></td>
</tr>
</form>
</table>
</center>
<P>
<P>
<a name="source">
<table BORDER=0 WIDTH=486 CELLPADDING=3 CELLSPACING=0>
<tr><td BGCOLOR=yellow><font FACE="helvetica,arial,geneva"><b>JavaScript Source Code 3000:  Calculators:  Kinetic Energy</b>
<p>Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Command-s).  The script is yours!!!
<br><br></font></td></tr>
<tr><td BGCOLOR=yellow ALIGN=CENTER>
<form NAME="copy">

<DIV align="center">
<input type=button value="Highlight All" onClick="javascript:this.form.txt.focus();this.form.txt.select();">&nbsp;&nbsp;&nbsp;&nbsp;
<INPUT TYPE="text" NAME="total" VALUE="Script Size:  1.92 KB" size=24>
</DIV>

<textarea NAME="txt" ROWS=20 COLS=75 WRAP=VIRTUAL>

&lt;!-- TWO STEPS TO INSTALL KINETIC ENERGY:

  1.  Copy the coding into the HEAD of your HTML document
  2.  Add the last code into the BODY of your HTML document  --&gt;

&lt;!-- STEP ONE: Paste this code into the HEAD of your HTML document  --&gt;

&lt;HEAD&gt;

&lt;SCRIPT LANGUAGE="JavaScript"&gt;
&lt;!-- Original:  David K (davidwkjr@hotmail.com) --&gt;

&lt;! &gt;
&lt;! &gt;

&lt;!-- Begin
function a_times_b(form) {
a = eval(form.a.value);
b = eval(form.b.value);
c = 1 / 2 * a * b * b;
form.c.value = c;
}
function c_div_b(form) {
c = eval(form.c.value);
b = eval(form.b.value);
a = c / (b * b);
form.a.value = a * 2;
}
function c_div_a(form) {
c = eval(form.c.value);
a = eval(form.a.value);
b = c / (1 / 2 * a);
form.b.value = Math.sqrt(c / (1 / 2 * a));
}
//  End --&gt;
&lt;/script&gt;
&lt;/HEAD&gt;

&lt;!-- STEP TWO: Copy this code into the BODY of your HTML document  --&gt;

&lt;BODY&gt;

&lt;center&gt;
&lt;table width=300 border=0&gt;
&lt;form name="fromcal"&gt;
&lt;tr&gt;
&lt;td&gt;&lt;center&gt;MASS (kg)&lt;/td&gt;
&lt;td&gt;&lt;center&gt;VELOCITY (m/s)&lt;/td&gt;
&lt;td&gt;&lt;center&gt;KINETIC ENERGY (joules)&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;input type=number name="a" value=" " size=10&gt;&lt;/td&gt;
&lt;td&gt;&lt;input type=number name=b value=" " size=10&gt;&lt;/td&gt;
&lt;td&gt;&lt;input type=number name="c" value=" " size=10&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
&lt;td&gt;&lt;input type=button value="Find Mass" onClick="c_div_b(this.form)"&gt;&lt;/td&gt;
&lt;td&gt;&lt;input type=button value="Find Velocity" onClick="c_div_a(this.form)"&gt;&lt;/td&gt;
&lt;td&gt;&lt;input type=button value="Find KE" onClick="a_times_b(this.form)"&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;/form&gt;
&lt;/table&gt;
&lt;/center&gt;

 

&lt;!-- Script Size:  1.92 KB --&gt;</textarea><br><font FACE="helvetica,arial,geneva"></font></td></tr>

</table>
</form>
</FONT>
</CENTER>


</center>
</body></html>
